﻿(function() {
    /*
    * jQuery 1.2.2 - New Wave Javascript
    *
    * Copyright (c) 2007 John Resig (jquery.com)
    * Dual licensed under the MIT (MIT-LICENSE.txt)
    * and GPL (GPL-LICENSE.txt) licenses.
    *
    * $Date: 2008-01-14 17:56:07 -0500 (Mon, 14 Jan 2008) $
    * $Rev: 4454 $
    */

    // Map over jQuery in case of overwrite
    if (window.jQuery)
        var _jQuery = window.jQuery;

    var jQuery = window.jQuery = function(selector, context) {
        // The jQuery object is actually just the init constructor 'enhanced'
        return new jQuery.prototype.init(selector, context);
    };

    // Map over the $ in case of overwrite
    if (window.$)
        var _$ = window.$;

    // Map the jQuery namespace to the '$' one
    window.$ = jQuery;

    // A simple way to check for HTML strings or ID strings
    // (both of which we optimize for)
    var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/;

    // Is it a simple selector
    var isSimple = /^.[^:#\[\.]*$/;

    jQuery.fn = jQuery.prototype = {
        init: function(selector, context) {
            // Make sure that a selection was provided
            selector = selector || document;

            // Handle $(DOMElement)
            if (selector.nodeType) {
                this[0] = selector;
                this.length = 1;
                return this;

                // Handle HTML strings
            } else if (typeof selector == "string") {
                // Are we dealing with HTML string or an ID?
                var match = quickExpr.exec(selector);

                // Verify a match, and that no context was specified for #id
                if (match && (match[1] || !context)) {

                    // HANDLE: $(html) -> $(array)
                    if (match[1])
                        selector = jQuery.clean([match[1]], context);

                    // HANDLE: $("#id")
                    else {
                        var elem = document.getElementById(match[3]);

                        // Make sure an element was located
                        if (elem)
                        // Handle the case where IE and Opera return items
                        // by name instead of ID
                            if (elem.id != match[3])
                            return jQuery().find(selector);

                        // Otherwise, we inject the element directly into the jQuery object
                        else {
                            this[0] = elem;
                            this.length = 1;
                            return this;
                        }

                        else
                            selector = [];
                    }

                    // HANDLE: $(expr, [context])
                    // (which is just equivalent to: $(content).find(expr)
                } else
                    return new jQuery(context).find(selector);

                // HANDLE: $(function)
                // Shortcut for document ready
            } else if (jQuery.isFunction(selector))
                return new jQuery(document)[jQuery.fn.ready ? "ready" : "load"](selector);

            return this.setArray(
            // HANDLE: $(array)
			selector.constructor == Array && selector ||

            // HANDLE: $(arraylike)
            // Watch for when an array-like object, contains DOM nodes, is passed in as the selector
			(selector.jquery || selector.length && selector != window && !selector.nodeType && selector[0] != undefined && selector[0].nodeType) && jQuery.makeArray(selector) ||

            // HANDLE: $(*)
			[selector]);
        },

        // The current version of jQuery being used
        jquery: "1.2.2",

        // The number of elements contained in the matched element set
        size: function() {
            return this.length;
        },

        // The number of elements contained in the matched element set
        length: 0,

        // Get the Nth element in the matched element set OR
        // Get the whole matched element set as a clean array
        get: function(num) {
            return num == undefined ?

            // Return a 'clean' array
			jQuery.makeArray(this) :

            // Return just the object
			this[num];
        },

        // Take an array of elements and push it onto the stack
        // (returning the new matched element set)
        pushStack: function(elems) {
            // Build a new jQuery matched element set
            var ret = jQuery(elems);

            // Add the old object onto the stack (as a reference)
            ret.prevObject = this;

            // Return the newly-formed element set
            return ret;
        },

        // Force the current matched set of elements to become
        // the specified array of elements (destroying the stack in the process)
        // You should use pushStack() in order to do this, but maintain the stack
        setArray: function(elems) {
            // Resetting the length to 0, then using the native Array push
            // is a super-fast way to populate an object with array-like properties
            this.length = 0;
            Array.prototype.push.apply(this, elems);

            return this;
        },

        // Execute a callback for every element in the matched set.
        // (You can seed the arguments with an array of args, but this is
        // only used internally.)
        each: function(callback, args) {
            return jQuery.each(this, callback, args);
        },

        // Determine the position of an element within 
        // the matched set of elements
        index: function(elem) {
            var ret = -1;

            // Locate the position of the desired element
            this.each(function(i) {
                if (this == elem)
                    ret = i;
            });

            return ret;
        },

        attr: function(name, value, type) {
            var options = name;

            // Look for the case where we're accessing a style value
            if (name.constructor == String)
                if (value == undefined)
                return this.length && jQuery[type || "attr"](this[0], name) || undefined;

            else {
                options = {};
                options[name] = value;
            }

            // Check to see if we're setting style values
            return this.each(function(i) {
                // Set all the styles
                for (name in options)
                    jQuery.attr(
					type ?
						this.style :
						this,
					name, jQuery.prop(this, options[name], type, i, name)
				);
            });
        },

        css: function(key, value) {
            // ignore negative width and height values
            if ((key == 'width' || key == 'height') && parseFloat(value) < 0)
                value = undefined;
            return this.attr(key, value, "curCSS");
        },

        text: function(text) {
            if (typeof text != "object" && text != null)
                return this.empty().append((this[0] && this[0].ownerDocument || document).createTextNode(text));

            var ret = "";

            jQuery.each(text || this, function() {
                jQuery.each(this.childNodes, function() {
                    if (this.nodeType != 8)
                        ret += this.nodeType != 1 ?
						this.nodeValue :
						jQuery.fn.text([this]);
                });
            });

            return ret;
        },

        wrapAll: function(html) {
            if (this[0])
            // The elements to wrap the target around
                jQuery(html, this[0].ownerDocument)
				.clone()
				.insertBefore(this[0])
				.map(function() {
				    var elem = this;

				    while (elem.firstChild)
				        elem = elem.firstChild;

				    return elem;
				})
				.append(this);

            return this;
        },

        wrapInner: function(html) {
            return this.each(function() {
                jQuery(this).contents().wrapAll(html);
            });
        },

        wrap: function(html) {
            return this.each(function() {
                jQuery(this).wrapAll(html);
            });
        },

        append: function() {
            return this.domManip(arguments, true, false, function(elem) {
                if (this.nodeType == 1)
                    this.appendChild(elem);
            });
        },

        prepend: function() {
            return this.domManip(arguments, true, true, function(elem) {
                if (this.nodeType == 1)
                    this.insertBefore(elem, this.firstChild);
            });
        },

        before: function() {
            return this.domManip(arguments, false, false, function(elem) {
                this.parentNode.insertBefore(elem, this);
            });
        },

        after: function() {
            return this.domManip(arguments, false, true, function(elem) {
                this.parentNode.insertBefore(elem, this.nextSibling);
            });
        },

        end: function() {
            return this.prevObject || jQuery([]);
        },

        find: function(selector) {
            var elems = jQuery.map(this, function(elem) {
                return jQuery.find(selector, elem);
            });

            return this.pushStack(/[^+>] [^+>]/.test(selector) || selector.indexOf("..") > -1 ?
			jQuery.unique(elems) :
			elems);
        },

        clone: function(events) {
            // Do the clone
            var ret = this.map(function() {
                if (jQuery.browser.msie && !jQuery.isXMLDoc(this)) {
                    // IE copies events bound via attachEvent when
                    // using cloneNode. Calling detachEvent on the
                    // clone will also remove the events from the orignal
                    // In order to get around this, we use innerHTML.
                    // Unfortunately, this means some modifications to 
                    // attributes in IE that are actually only stored 
                    // as properties will not be copied (such as the
                    // the name attribute on an input).
                    var clone = this.cloneNode(true),
					container = document.createElement("div"),
					container2 = document.createElement("div");
                    container.appendChild(clone);
                    container2.innerHTML = container.innerHTML;
                    return container2.firstChild;
                } else
                    return this.cloneNode(true);
            });

            // Need to set the expando to null on the cloned set if it exists
            // removeData doesn't work here, IE removes it from the original as well
            // this is primarily for IE but the data expando shouldn't be copied over in any browser
            var clone = ret.find("*").andSelf().each(function() {
                if (this[expando] != undefined)
                    this[expando] = null;
            });

            // Copy the events from the original to the clone
            if (events === true)
                this.find("*").andSelf().each(function(i) {
                    if (this.nodeType == 3)
                        return;
                    var events = jQuery.data(this, "events");

                    for (var type in events)
                        for (var handler in events[type])
                        jQuery.event.add(clone[i], type, events[type][handler], events[type][handler].data);
                });

            // Return the cloned set
            return ret;
        },

        filter: function(selector) {
            return this.pushStack(
			jQuery.isFunction(selector) &&
			jQuery.grep(this, function(elem, i) {
			    return selector.call(elem, i);
			}) ||

			jQuery.multiFilter(selector, this));
        },

        not: function(selector) {
            if (selector.constructor == String)
            // test special case where just one selector is passed in
                if (isSimple.test(selector))
                return this.pushStack(jQuery.multiFilter(selector, this, true));
            else
                selector = jQuery.multiFilter(selector, this);

            var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
            return this.filter(function() {
                return isArrayLike ? jQuery.inArray(this, selector) < 0 : this != selector;
            });
        },

        add: function(selector) {
            return !selector ? this : this.pushStack(jQuery.merge(
			this.get(),
			selector.constructor == String ?
				jQuery(selector).get() :
				selector.length != undefined && (!selector.nodeName || jQuery.nodeName(selector, "form")) ?
					selector : [selector]));
        },

        is: function(selector) {
            return selector ?
			jQuery.multiFilter(selector, this).length > 0 :
			false;
        },

        hasClass: function(selector) {
            return this.is("." + selector);
        },

        val: function(value) {
            if (value == undefined) {

                if (this.length) {
                    var elem = this[0];

                    // We need to handle select boxes special
                    if (jQuery.nodeName(elem, "select")) {
                        var index = elem.selectedIndex,
						values = [],
						options = elem.options,
						one = elem.type == "select-one";

                        // Nothing was selected
                        if (index < 0)
                            return null;

                        // Loop through all the selected options
                        for (var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++) {
                            var option = options[i];

                            if (option.selected) {
                                // Get the specifc value for the option
                                value = jQuery.browser.msie && !option.attributes.value.specified ? option.text : option.value;

                                // We don't need an array for one selects
                                if (one)
                                    return value;

                                // Multi-Selects return an array
                                values.push(value);
                            }
                        }

                        return values;

                        // Everything else, we just grab the value
                    } else
                        return (this[0].value || "").replace(/\r/g, "");

                }

                return undefined;
            }

            return this.each(function() {
                if (this.nodeType != 1)
                    return;

                if (value.constructor == Array && /radio|checkbox/.test(this.type))
                    this.checked = (jQuery.inArray(this.value, value) >= 0 ||
					jQuery.inArray(this.name, value) >= 0);

                else if (jQuery.nodeName(this, "select")) {
                    var values = value.constructor == Array ?
					value :
					[value];

                    jQuery("option", this).each(function() {
                        this.selected = (jQuery.inArray(this.value, values) >= 0 ||
						jQuery.inArray(this.text, values) >= 0);
                    });

                    if (!values.length)
                        this.selectedIndex = -1;

                } else
                    this.value = value;
            });
        },

        html: function(value) {
            return value == undefined ?
			(this.length ?
				this[0].innerHTML :
				null) :
			this.empty().append(value);
        },

        replaceWith: function(value) {
            return this.after(value).remove();
        },

        eq: function(i) {
            return this.slice(i, i + 1);
        },

        slice: function() {
            return this.pushStack(Array.prototype.slice.apply(this, arguments));
        },

        map: function(callback) {
            return this.pushStack(jQuery.map(this, function(elem, i) {
                return callback.call(elem, i, elem);
            }));
        },

        andSelf: function() {
            return this.add(this.prevObject);
        },

        domManip: function(args, table, reverse, callback) {
            var clone = this.length > 1, elems;

            return this.each(function() {
                if (!elems) {
                    elems = jQuery.clean(args, this.ownerDocument);

                    if (reverse)
                        elems.reverse();
                }

                var obj = this;

                if (table && jQuery.nodeName(this, "table") && jQuery.nodeName(elems[0], "tr"))
                    obj = this.getElementsByTagName("tbody")[0] || this.appendChild(this.ownerDocument.createElement("tbody"));

                var scripts = jQuery([]);

                jQuery.each(elems, function() {
                    var elem = clone ?
					jQuery(this).clone(true)[0] :
					this;

                    // execute all scripts after the elements have been injected
                    if (jQuery.nodeName(elem, "script")) {
                        scripts = scripts.add(elem);
                    } else {
                        // Remove any inner scripts for later evaluation
                        if (elem.nodeType == 1)
                            scripts = scripts.add(jQuery("script", elem).remove());

                        // Inject the elements into the document
                        callback.call(obj, elem);
                    }
                });

                scripts.each(evalScript);
            });
        }
    };

    // Give the init function the jQuery prototype for later instantiation
    jQuery.prototype.init.prototype = jQuery.prototype;

    function evalScript(i, elem) {
        if (elem.src)
            jQuery.ajax({
                url: elem.src,
                async: false,
                dataType: "script"
            });

        else
            jQuery.globalEval(elem.text || elem.textContent || elem.innerHTML || "");

        if (elem.parentNode)
            elem.parentNode.removeChild(elem);
    }

    jQuery.extend = jQuery.fn.extend = function() {
        // copy reference to target object
        var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;

        // Handle a deep copy situation
        if (target.constructor == Boolean) {
            deep = target;
            target = arguments[1] || {};
            // skip the boolean and the target
            i = 2;
        }

        // Handle case when target is a string or something (possible in deep copy)
        if (typeof target != "object" && typeof target != "function")
            target = {};

        // extend jQuery itself if only one argument is passed
        if (length == 1) {
            target = this;
            i = 0;
        }

        for (; i < length; i++)
        // Only deal with non-null/undefined values
            if ((options = arguments[i]) != null)
        // Extend the base object
            for (var name in options) {
            // Prevent never-ending loop
            if (target === options[name])
                continue;

            // Recurse if we're merging object values
            if (deep && options[name] && typeof options[name] == "object" && target[name] && !options[name].nodeType)
                target[name] = jQuery.extend(target[name], options[name]);

            // Don't bring in undefined values
            else if (options[name] != undefined)
                target[name] = options[name];

        }

        // Return the modified object
        return target;
    };

    var expando = "jQuery" + (new Date()).getTime(), uuid = 0, windowData = {};

    // exclude the following css properties to add px
    var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;

    jQuery.extend({
        noConflict: function(deep) {
            window.$ = _$;

            if (deep)
                window.jQuery = _jQuery;

            return jQuery;
        },

        // See test/unit/core.js for details concerning this function.
        isFunction: function(fn) {
            return !!fn && typeof fn != "string" && !fn.nodeName &&
			fn.constructor != Array && /function/i.test(fn + "");
        },

        // check if an element is in a (or is an) XML document
        isXMLDoc: function(elem) {
            return elem.documentElement && !elem.body ||
			elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
        },

        // Evalulates a script in a global context
        globalEval: function(data) {
            data = jQuery.trim(data);

            if (data) {
                // Inspired by code by Andrea Giammarchi
                // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
                var head = document.getElementsByTagName("head")[0] || document.documentElement,
				script = document.createElement("script");

                script.type = "text/javascript";
                if (jQuery.browser.msie)
                    script.text = data;
                else
                    script.appendChild(document.createTextNode(data));

                head.appendChild(script);
                head.removeChild(script);
            }
        },

        nodeName: function(elem, name) {
            return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
        },

        cache: {},

        data: function(elem, name, data) {
            elem = elem == window ?
			windowData :
			elem;

            var id = elem[expando];

            // Compute a unique ID for the element
            if (!id)
                id = elem[expando] = ++uuid;

            // Only generate the data cache if we're
            // trying to access or manipulate it
            if (name && !jQuery.cache[id])
                jQuery.cache[id] = {};

            // Prevent overriding the named cache with undefined values
            if (data != undefined)
                jQuery.cache[id][name] = data;

            // Return the named cache data, or the ID for the element	
            return name ?
			jQuery.cache[id][name] :
			id;
        },

        removeData: function(elem, name) {
            elem = elem == window ?
			windowData :
			elem;

            var id = elem[expando];

            // If we want to remove a specific section of the element's data
            if (name) {
                if (jQuery.cache[id]) {
                    // Remove the section of cache data
                    delete jQuery.cache[id][name];

                    // If we've removed all the data, remove the element's cache
                    name = "";

                    for (name in jQuery.cache[id])
                        break;

                    if (!name)
                        jQuery.removeData(elem);
                }

                // Otherwise, we want to remove all of the element's data
            } else {
                // Clean up the element expando
                try {
                    delete elem[expando];
                } catch (e) {
                    // IE has trouble directly removing the expando
                    // but it's ok with using removeAttribute
                    if (elem.removeAttribute)
                        elem.removeAttribute(expando);
                }

                // Completely remove the data cache
                delete jQuery.cache[id];
            }
        },

        // args is for internal usage only
        each: function(object, callback, args) {
            if (args) {
                if (object.length == undefined) {
                    for (var name in object)
                        if (callback.apply(object[name], args) === false)
                        break;
                } else
                    for (var i = 0, length = object.length; i < length; i++)
                    if (callback.apply(object[i], args) === false)
                    break;

                // A special, fast, case for the most common use of each
            } else {
                if (object.length == undefined) {
                    for (var name in object)
                        if (callback.call(object[name], name, object[name]) === false)
                        break;
                } else
                    for (var i = 0, length = object.length, value = object[0];
					i < length && callback.call(value, i, value) !== false; value = object[++i]) { }
            }

            return object;
        },

        prop: function(elem, value, type, i, name) {
            // Handle executable functions
            if (jQuery.isFunction(value))
                value = value.call(elem, i);

            // Handle passing in a number to a CSS property
            return value && value.constructor == Number && type == "curCSS" && !exclude.test(name) ?
				value + "px" :
				value;
        },

        className: {
            // internal only, use addClass("class")
            add: function(elem, classNames) {
                jQuery.each((classNames || "").split(/\s+/), function(i, className) {
                    if (elem.nodeType == 1 && !jQuery.className.has(elem.className, className))
                        elem.className += (elem.className ? " " : "") + className;
                });
            },

            // internal only, use removeClass("class")
            remove: function(elem, classNames) {
                if (elem.nodeType == 1)
                    elem.className = classNames != undefined ?
					jQuery.grep(elem.className.split(/\s+/), function(className) {
					    return !jQuery.className.has(classNames, className);
					}).join(" ") :
					"";
            },

            // internal only, use is(".class")
            has: function(elem, className) {
                return jQuery.inArray(className, (elem.className || elem).toString().split(/\s+/)) > -1;
            }
        },

        // A method for quickly swapping in/out CSS properties to get correct calculations
        swap: function(elem, options, callback) {
            var old = {};
            // Remember the old values, and insert the new ones
            for (var name in options) {
                old[name] = elem.style[name];
                elem.style[name] = options[name];
            }

            callback.call(elem);

            // Revert the old values
            for (var name in options)
                elem.style[name] = old[name];
        },

        css: function(elem, name, force) {
            if (name == "width" || name == "height") {
                var val, props = { position: "absolute", visibility: "hidden", display: "block" }, which = name == "width" ? ["Left", "Right"] : ["Top", "Bottom"];

                function getWH() {
                    val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
                    var padding = 0, border = 0;
                    jQuery.each(which, function() {
                        padding += parseFloat(jQuery.curCSS(elem, "padding" + this, true)) || 0;
                        border += parseFloat(jQuery.curCSS(elem, "border" + this + "Width", true)) || 0;
                    });
                    val -= Math.round(padding + border);
                }

                if (jQuery(elem).is(":visible"))
                    getWH();
                else
                    jQuery.swap(elem, props, getWH);

                return Math.max(0, val);
            }

            return jQuery.curCSS(elem, name, force);
        },

        curCSS: function(elem, name, force) {
            var ret;

            // A helper method for determining if an element's values are broken
            function color(elem) {
                if (!jQuery.browser.safari)
                    return false;

                var ret = document.defaultView.getComputedStyle(elem, null);
                return !ret || ret.getPropertyValue("color") == "";
            }

            // We need to handle opacity special in IE
            if (name == "opacity" && jQuery.browser.msie) {
                ret = jQuery.attr(elem.style, "opacity");

                return ret == "" ?
				"1" :
				ret;
            }
            // Opera sometimes will give the wrong display answer, this fixes it, see #2037
            if (jQuery.browser.opera && name == "display") {
                var save = elem.style.display;
                elem.style.display = "block";
                elem.style.display = save;
            }

            // Make sure we're using the right name for getting the float value
            if (name.match(/float/i))
                name = styleFloat;

            if (!force && elem.style && elem.style[name])
                ret = elem.style[name];

            else if (document.defaultView && document.defaultView.getComputedStyle) {

                // Only "float" is needed here
                if (name.match(/float/i))
                    name = "float";

                name = name.replace(/([A-Z])/g, "-$1").toLowerCase();

                var getComputedStyle = document.defaultView.getComputedStyle(elem, null);

                if (getComputedStyle && !color(elem))
                    ret = getComputedStyle.getPropertyValue(name);

                // If the element isn't reporting its values properly in Safari
                // then some display: none elements are involved
                else {
                    var swap = [], stack = [];

                    // Locate all of the parent display: none elements
                    for (var a = elem; a && color(a); a = a.parentNode)
                        stack.unshift(a);

                    // Go through and make them visible, but in reverse
                    // (It would be better if we knew the exact display type that they had)
                    for (var i = 0; i < stack.length; i++)
                        if (color(stack[i])) {
                        swap[i] = stack[i].style.display;
                        stack[i].style.display = "block";
                    }

                    // Since we flip the display style, we have to handle that
                    // one special, otherwise get the value
                    ret = name == "display" && swap[stack.length - 1] != null ?
					"none" :
					(getComputedStyle && getComputedStyle.getPropertyValue(name)) || "";

                    // Finally, revert the display styles back
                    for (var i = 0; i < swap.length; i++)
                        if (swap[i] != null)
                        stack[i].style.display = swap[i];
                }

                // We should always get a number back from opacity
                if (name == "opacity" && ret == "")
                    ret = "1";

            } else if (elem.currentStyle) {
                var camelCase = name.replace(/\-(\w)/g, function(all, letter) {
                    return letter.toUpperCase();
                });

                ret = elem.currentStyle[name] || elem.currentStyle[camelCase];

                // From the awesome hack by Dean Edwards
                // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291

                // If we're not dealing with a regular pixel number
                // but a number that has a weird ending, we need to convert it to pixels
                if (!/^\d+(px)?$/i.test(ret) && /^\d/.test(ret)) {
                    // Remember the original values
                    var style = elem.style.left, runtimeStyle = elem.runtimeStyle.left;

                    // Put in the new values to get a computed value out
                    elem.runtimeStyle.left = elem.currentStyle.left;
                    elem.style.left = ret || 0;
                    ret = elem.style.pixelLeft + "px";

                    // Revert the changed values
                    elem.style.left = style;
                    elem.runtimeStyle.left = runtimeStyle;
                }
            }

            return ret;
        },

        clean: function(elems, context) {
            var ret = [];
            context = context || document;
            // !context.createElement fails in IE with an error but returns typeof 'object'
            if (typeof context.createElement == 'undefined')
                context = context.ownerDocument || context[0] && context[0].ownerDocument || document;

            jQuery.each(elems, function(i, elem) {
                if (!elem)
                    return;

                if (elem.constructor == Number)
                    elem = elem.toString();

                // Convert html string into DOM nodes
                if (typeof elem == "string") {
                    // Fix "XHTML"-style tags in all browsers
                    elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag) {
                        return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
						all :
						front + "></" + tag + ">";
                    });

                    // Trim whitespace, otherwise indexOf won't work as expected
                    var tags = jQuery.trim(elem).toLowerCase(), div = context.createElement("div");

                    var wrap =
                    // option or optgroup
					!tags.indexOf("<opt") &&
					[1, "<select multiple='multiple'>", "</select>"] ||

					!tags.indexOf("<leg") &&
					[1, "<fieldset>", "</fieldset>"] ||

					tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
					[1, "<table>", "</table>"] ||

					!tags.indexOf("<tr") &&
					[2, "<table><tbody>", "</tbody></table>"] ||

                    // <thead> matched above
					(!tags.indexOf("<td") || !tags.indexOf("<th")) &&
					[3, "<table><tbody><tr>", "</tr></tbody></table>"] ||

					!tags.indexOf("<col") &&
					[2, "<table><tbody></tbody><colgroup>", "</colgroup></table>"] ||

                    // IE can't serialize <link> and <script> tags normally
					jQuery.browser.msie &&
					[1, "div<div>", "</div>"] ||

					[0, "", ""];

                    // Go to html and back, then peel off extra wrappers
                    div.innerHTML = wrap[1] + elem + wrap[2];

                    // Move to the right depth
                    while (wrap[0]--)
                        div = div.lastChild;

                    // Remove IE's autoinserted <tbody> from table fragments
                    if (jQuery.browser.msie) {

                        // String was a <table>, *may* have spurious <tbody>
                        var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
						div.firstChild && div.firstChild.childNodes :

                        // String was a bare <thead> or <tfoot>
						wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
							div.childNodes :
							[];

                        for (var j = tbody.length - 1; j >= 0; --j)
                            if (jQuery.nodeName(tbody[j], "tbody") && !tbody[j].childNodes.length)
                            tbody[j].parentNode.removeChild(tbody[j]);

                        // IE completely kills leading whitespace when innerHTML is used	
                        if (/^\s/.test(elem))
                            div.insertBefore(context.createTextNode(elem.match(/^\s*/)[0]), div.firstChild);

                    }

                    elem = jQuery.makeArray(div.childNodes);
                }

                if (elem.length === 0 && (!jQuery.nodeName(elem, "form") && !jQuery.nodeName(elem, "select")))
                    return;

                if (elem[0] == undefined || jQuery.nodeName(elem, "form") || elem.options)
                    ret.push(elem);

                else
                    ret = jQuery.merge(ret, elem);

            });

            return ret;
        },

        attr: function(elem, name, value) {
            // don't set attributes on text and comment nodes
            if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
                return undefined;

            var fix = jQuery.isXMLDoc(elem) ?
			{} :
			jQuery.props;

            // Safari mis-reports the default selected property of a hidden option
            // Accessing the parent's selectedIndex property fixes it
            if (name == "selected" && jQuery.browser.safari)
                elem.parentNode.selectedIndex;

            // Certain attributes only work when accessed via the old DOM 0 way
            if (fix[name]) {
                if (value != undefined)
                    elem[fix[name]] = value;

                return elem[fix[name]];

            } else if (jQuery.browser.msie && name == "style")
                return jQuery.attr(elem.style, "cssText", value);

            else if (value == undefined && jQuery.browser.msie && jQuery.nodeName(elem, "form") && (name == "action" || name == "method"))
                return elem.getAttributeNode(name).nodeValue;

            // IE elem.getAttribute passes even for style
            else if (elem.tagName) {

                if (value != undefined) {
                    // We can't allow the type property to be changed (since it causes problems in IE)
                    if (name == "type" && jQuery.nodeName(elem, "input") && elem.parentNode)
                        throw "type property can't be changed";

                    // convert the value to a string (all browsers do this but IE) see #1070
                    elem.setAttribute(name, "" + value);
                }

                if (jQuery.browser.msie && /href|src/.test(name) && !jQuery.isXMLDoc(elem))
                    return elem.getAttribute(name, 2);

                return elem.getAttribute(name);

                // elem is actually elem.style ... set the style
            } else {
                // IE actually uses filters for opacity
                if (name == "opacity" && jQuery.browser.msie) {
                    if (value != undefined) {
                        // IE has trouble with opacity if it does not have layout
                        // Force it by setting the zoom level
                        elem.zoom = 1;

                        // Set the alpha filter to set the opacity
                        elem.filter = (elem.filter || "").replace(/alpha\([^)]*\)/, "") +
						(parseFloat(value).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
                    }

                    return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
					(parseFloat(elem.filter.match(/opacity=([^)]*)/)[1]) / 100).toString() :
					"";
                }

                name = name.replace(/-([a-z])/ig, function(all, letter) {
                    return letter.toUpperCase();
                });

                if (value != undefined)
                    elem[name] = value;

                return elem[name];
            }
        },

        trim: function(text) {
            return (text || "").replace(/^\s+|\s+$/g, "");
        },

        makeArray: function(array) {
            var ret = [];

            // Need to use typeof to fight Safari childNodes crashes
            if (typeof array != "array")
                for (var i = 0, length = array.length; i < length; i++)
                ret.push(array[i]);
            else
                ret = array.slice(0);

            return ret;
        },

        inArray: function(elem, array) {
            for (var i = 0, length = array.length; i < length; i++)
                if (array[i] == elem)
                return i;

            return -1;
        },

        merge: function(first, second) {
            // We have to loop this way because IE & Opera overwrite the length
            // expando of getElementsByTagName

            // Also, we need to make sure that the correct elements are being returned
            // (IE returns comment nodes in a '*' query)
            if (jQuery.browser.msie) {
                for (var i = 0; second[i]; i++)
                    if (second[i].nodeType != 8)
                    first.push(second[i]);

            } else
                for (var i = 0; second[i]; i++)
                first.push(second[i]);

            return first;
        },

        unique: function(array) {
            var ret = [], done = {};

            try {

                for (var i = 0, length = array.length; i < length; i++) {
                    var id = jQuery.data(array[i]);

                    if (!done[id]) {
                        done[id] = true;
                        ret.push(array[i]);
                    }
                }

            } catch (e) {
                ret = array;
            }

            return ret;
        },

        grep: function(elems, callback, inv) {
            // If a string is passed in for the function, make a function
            // for it (a handy shortcut)
            if (typeof callback == "string")
                callback = eval("false||function(a,i){return " + callback + "}");

            var ret = [];

            // Go through the array, only saving the items
            // that pass the validator function
            for (var i = 0, length = elems.length; i < length; i++)
                if (!inv && callback(elems[i], i) || inv && !callback(elems[i], i))
                ret.push(elems[i]);

            return ret;
        },

        map: function(elems, callback) {
            var ret = [];

            // Go through the array, translating each of the items to their
            // new value (or values).
            for (var i = 0, length = elems.length; i < length; i++) {
                var value = callback(elems[i], i);

                if (value !== null && value != undefined) {
                    if (value.constructor != Array)
                        value = [value];

                    ret = ret.concat(value);
                }
            }

            return ret;
        }
    });

    var userAgent = navigator.userAgent.toLowerCase();

    // Figure out what browser is being used
    jQuery.browser = {
        version: (userAgent.match(/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/) || [])[1],
        safari: /webkit/.test(userAgent),
        opera: /opera/.test(userAgent),
        msie: /msie/.test(userAgent) && !/opera/.test(userAgent),
        mozilla: /mozilla/.test(userAgent) && !/(compatible|webkit)/.test(userAgent)
    };

    var styleFloat = jQuery.browser.msie ?
	"styleFloat" :
	"cssFloat";

    jQuery.extend({
        // Check to see if the W3C box model is being used
        boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",

        props: {
            "for": "htmlFor",
            "class": "className",
            "float": styleFloat,
            cssFloat: styleFloat,
            styleFloat: styleFloat,
            innerHTML: "innerHTML",
            className: "className",
            value: "value",
            disabled: "disabled",
            checked: "checked",
            readonly: "readOnly",
            selected: "selected",
            maxlength: "maxLength",
            selectedIndex: "selectedIndex",
            defaultValue: "defaultValue",
            tagName: "tagName",
            nodeName: "nodeName"
        }
    });

    jQuery.each({
        parent: "elem.parentNode",
        parents: "jQuery.dir(elem,'parentNode')",
        next: "jQuery.nth(elem,2,'nextSibling')",
        prev: "jQuery.nth(elem,2,'previousSibling')",
        nextAll: "jQuery.dir(elem,'nextSibling')",
        prevAll: "jQuery.dir(elem,'previousSibling')",
        siblings: "jQuery.sibling(elem.parentNode.firstChild,elem)",
        children: "jQuery.sibling(elem.firstChild)",
        contents: "jQuery.nodeName(elem,'iframe')?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes)"
    }, function(name, fn) {
        fn = eval("false||function(elem){return " + fn + "}");

        jQuery.fn[name] = function(selector) {
            var ret = jQuery.map(this, fn);

            if (selector && typeof selector == "string")
                ret = jQuery.multiFilter(selector, ret);

            return this.pushStack(jQuery.unique(ret));
        };
    });

    jQuery.each({
        appendTo: "append",
        prependTo: "prepend",
        insertBefore: "before",
        insertAfter: "after",
        replaceAll: "replaceWith"
    }, function(name, original) {
        jQuery.fn[name] = function() {
            var args = arguments;

            return this.each(function() {
                for (var i = 0, length = args.length; i < length; i++)
                    jQuery(args[i])[original](this);
            });
        };
    });

    jQuery.each({
        removeAttr: function(name) {
            jQuery.attr(this, name, "");
            if (this.nodeType == 1)
                this.removeAttribute(name);
        },

        addClass: function(classNames) {
            jQuery.className.add(this, classNames);
        },

        removeClass: function(classNames) {
            jQuery.className.remove(this, classNames);
        },

        toggleClass: function(classNames) {
            jQuery.className[jQuery.className.has(this, classNames) ? "remove" : "add"](this, classNames);
        },

        remove: function(selector) {
            if (!selector || jQuery.filter(selector, [this]).r.length) {
                // Prevent memory leaks
                jQuery("*", this).add(this).each(function() {
                    jQuery.event.remove(this);
                    jQuery.removeData(this);
                });
                if (this.parentNode)
                    this.parentNode.removeChild(this);
            }
        },

        empty: function() {
            // Remove element nodes and prevent memory leaks
            jQuery(">*", this).remove();

            // Remove any remaining nodes
            while (this.firstChild)
                this.removeChild(this.firstChild);
        }
    }, function(name, fn) {
        jQuery.fn[name] = function() {
            return this.each(fn, arguments);
        };
    });

    jQuery.each(["Height", "Width"], function(i, name) {
        var type = name.toLowerCase();

        jQuery.fn[type] = function(size) {
            // Get window width or height
            return this[0] == window ?
            // Opera reports document.body.client[Width/Height] properly in both quirks and standards
			jQuery.browser.opera && document.body["client" + name] ||

            // Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
			jQuery.browser.safari && window["inner" + name] ||

            // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
			document.compatMode == "CSS1Compat" && document.documentElement["client" + name] || document.body["client" + name] :

            // Get document width or height
			this[0] == document ?
            // Either scroll[Width/Height] or offset[Width/Height], whichever is greater
				Math.max(
					Math.max(document.body["scroll" + name], document.documentElement["scroll" + name]),
					Math.max(document.body["offset" + name], document.documentElement["offset" + name])
				) :

            // Get or set width or height on the element
				size == undefined ?
            // Get width or height on the element
					(this.length ? jQuery.css(this[0], type) : null) :

            // Set the width or height on the element (default to pixels if value is unitless)
					this.css(type, size.constructor == String ? size : size + "px");
        };
    });

    var chars = jQuery.browser.safari && parseInt(jQuery.browser.version) < 417 ?
		"(?:[\\w*_-]|\\\\.)" :
		"(?:[\\w\u0128-\uFFFF*_-]|\\\\.)",
	quickChild = new RegExp("^>\\s*(" + chars + "+)"),
	quickID = new RegExp("^(" + chars + "+)(#)(" + chars + "+)"),
	quickClass = new RegExp("^([#.]?)(" + chars + "*)");

    jQuery.extend({
        expr: {
            "": "m[2]=='*'||jQuery.nodeName(a,m[2])",
            "#": "a.getAttribute('id')==m[2]",
            ":": {
                // Position Checks
                lt: "i<m[3]-0",
                gt: "i>m[3]-0",
                nth: "m[3]-0==i",
                eq: "m[3]-0==i",
                first: "i==0",
                last: "i==r.length-1",
                even: "i%2==0",
                odd: "i%2",

                // Child Checks
                "first-child": "a.parentNode.getElementsByTagName('*')[0]==a",
                "last-child": "jQuery.nth(a.parentNode.lastChild,1,'previousSibling')==a",
                "only-child": "!jQuery.nth(a.parentNode.lastChild,2,'previousSibling')",

                // Parent Checks
                parent: "a.firstChild",
                empty: "!a.firstChild",

                // Text Check
                contains: "(a.textContent||a.innerText||jQuery(a).text()||'').indexOf(m[3])>=0",

                // Visibility
                visible: '"hidden"!=a.type&&jQuery.css(a,"display")!="none"&&jQuery.css(a,"visibility")!="hidden"',
                hidden: '"hidden"==a.type||jQuery.css(a,"display")=="none"||jQuery.css(a,"visibility")=="hidden"',

                // Form attributes
                enabled: "!a.disabled",
                disabled: "a.disabled",
                checked: "a.checked",
                selected: "a.selected||jQuery.attr(a,'selected')",

                // Form elements
                text: "'text'==a.type",
                radio: "'radio'==a.type",
                checkbox: "'checkbox'==a.type",
                file: "'file'==a.type",
                password: "'password'==a.type",
                submit: "'submit'==a.type",
                image: "'image'==a.type",
                reset: "'reset'==a.type",
                button: '"button"==a.type||jQuery.nodeName(a,"button")',
                input: "/input|select|textarea|button/i.test(a.nodeName)",

                // :has()
                has: "jQuery.find(m[3],a).length",

                // :header
                header: "/h\\d/i.test(a.nodeName)",

                // :animated
                animated: "jQuery.grep(jQuery.timers,function(fn){return a==fn.elem;}).length"
            }
        },

        // The regular expressions that power the parsing engine
        parse: [
        // Match: [@value='test'], [@foo]
		/^(\[) *@?([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,

        // Match: :contains('foo')
		/^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/,

        // Match: :even, :last-chlid, #id, .class
		new RegExp("^([:.#]*)(" + chars + "+)")
	],

        multiFilter: function(expr, elems, not) {
            var old, cur = [];

            while (expr && expr != old) {
                old = expr;
                var f = jQuery.filter(expr, elems, not);
                expr = f.t.replace(/^\s*,\s*/, "");
                cur = not ? elems = f.r : jQuery.merge(cur, f.r);
            }

            return cur;
        },

        find: function(t, context) {
            // Quickly handle non-string expressions
            if (typeof t != "string")
                return [t];

            // check to make sure context is a DOM element or a document
            if (context && context.nodeType != 1 && context.nodeType != 9)
                return [];

            // Set the correct context (if none is provided)
            context = context || document;

            // Initialize the search
            var ret = [context], done = [], last, nodeName;

            // Continue while a selector expression exists, and while
            // we're no longer looping upon ourselves
            while (t && last != t) {
                var r = [];
                last = t;

                t = jQuery.trim(t);

                var foundToken = false;

                // An attempt at speeding up child selectors that
                // point to a specific element tag
                var re = quickChild;
                var m = re.exec(t);

                if (m) {
                    nodeName = m[1].toUpperCase();

                    // Perform our own iteration and filter
                    for (var i = 0; ret[i]; i++)
                        for (var c = ret[i].firstChild; c; c = c.nextSibling)
                        if (c.nodeType == 1 && (nodeName == "*" || c.nodeName.toUpperCase() == nodeName))
                        r.push(c);

                    ret = r;
                    t = t.replace(re, "");
                    if (t.indexOf(" ") == 0) continue;
                    foundToken = true;
                } else {
                    re = /^([>+~])\s*(\w*)/i;

                    if ((m = re.exec(t)) != null) {
                        r = [];

                        var merge = {};
                        nodeName = m[2].toUpperCase();
                        m = m[1];

                        for (var j = 0, rl = ret.length; j < rl; j++) {
                            var n = m == "~" || m == "+" ? ret[j].nextSibling : ret[j].firstChild;
                            for (; n; n = n.nextSibling)
                                if (n.nodeType == 1) {
                                var id = jQuery.data(n);

                                if (m == "~" && merge[id]) break;

                                if (!nodeName || n.nodeName.toUpperCase() == nodeName) {
                                    if (m == "~") merge[id] = true;
                                    r.push(n);
                                }

                                if (m == "+") break;
                            }
                        }

                        ret = r;

                        // And remove the token
                        t = jQuery.trim(t.replace(re, ""));
                        foundToken = true;
                    }
                }

                // See if there's still an expression, and that we haven't already
                // matched a token
                if (t && !foundToken) {
                    // Handle multiple expressions
                    if (!t.indexOf(",")) {
                        // Clean the result set
                        if (context == ret[0]) ret.shift();

                        // Merge the result sets
                        done = jQuery.merge(done, ret);

                        // Reset the context
                        r = ret = [context];

                        // Touch up the selector string
                        t = " " + t.substr(1, t.length);

                    } else {
                        // Optimize for the case nodeName#idName
                        var re2 = quickID;
                        var m = re2.exec(t);

                        // Re-organize the results, so that they're consistent
                        if (m) {
                            m = [0, m[2], m[3], m[1]];

                        } else {
                            // Otherwise, do a traditional filter check for
                            // ID, class, and element selectors
                            re2 = quickClass;
                            m = re2.exec(t);
                        }

                        m[2] = m[2].replace(/\\/g, "");

                        var elem = ret[ret.length - 1];

                        // Try to do a global search by ID, where we can
                        if (m[1] == "#" && elem && elem.getElementById && !jQuery.isXMLDoc(elem)) {
                            // Optimization for HTML document case
                            var oid = elem.getElementById(m[2]);

                            // Do a quick check for the existence of the actual ID attribute
                            // to avoid selecting by the name attribute in IE
                            // also check to insure id is a string to avoid selecting an element with the name of 'id' inside a form
                            if ((jQuery.browser.msie || jQuery.browser.opera) && oid && typeof oid.id == "string" && oid.id != m[2])
                                oid = jQuery('[@id="' + m[2] + '"]', elem)[0];

                            // Do a quick check for node name (where applicable) so
                            // that div#foo searches will be really fast
                            ret = r = oid && (!m[3] || jQuery.nodeName(oid, m[3])) ? [oid] : [];
                        } else {
                            // We need to find all descendant elements
                            for (var i = 0; ret[i]; i++) {
                                // Grab the tag name being searched for
                                var tag = m[1] == "#" && m[3] ? m[3] : m[1] != "" || m[0] == "" ? "*" : m[2];

                                // Handle IE7 being really dumb about <object>s
                                if (tag == "*" && ret[i].nodeName.toLowerCase() == "object")
                                    tag = "param";

                                r = jQuery.merge(r, ret[i].getElementsByTagName(tag));
                            }

                            // It's faster to filter by class and be done with it
                            if (m[1] == ".")
                                r = jQuery.classFilter(r, m[2]);

                            // Same with ID filtering
                            if (m[1] == "#") {
                                var tmp = [];

                                // Try to find the element with the ID
                                for (var i = 0; r[i]; i++)
                                    if (r[i].getAttribute("id") == m[2]) {
                                    tmp = [r[i]];
                                    break;
                                }

                                r = tmp;
                            }

                            ret = r;
                        }

                        t = t.replace(re2, "");
                    }

                }

                // If a selector string still exists
                if (t) {
                    // Attempt to filter it
                    var val = jQuery.filter(t, r);
                    ret = r = val.r;
                    t = jQuery.trim(val.t);
                }
            }

            // An error occurred with the selector;
            // just return an empty set instead
            if (t)
                ret = [];

            // Remove the root context
            if (ret && context == ret[0])
                ret.shift();

            // And combine the results
            done = jQuery.merge(done, ret);

            return done;
        },

        classFilter: function(r, m, not) {
            m = " " + m + " ";
            var tmp = [];
            for (var i = 0; r[i]; i++) {
                var pass = (" " + r[i].className + " ").indexOf(m) >= 0;
                if (!not && pass || not && !pass)
                    tmp.push(r[i]);
            }
            return tmp;
        },

        filter: function(t, r, not) {
            var last;

            // Look for common filter expressions
            while (t && t != last) {
                last = t;

                var p = jQuery.parse, m;

                for (var i = 0; p[i]; i++) {
                    m = p[i].exec(t);

                    if (m) {
                        // Remove what we just matched
                        t = t.substring(m[0].length);

                        m[2] = m[2].replace(/\\/g, "");
                        break;
                    }
                }

                if (!m)
                    break;

                // :not() is a special case that can be optimized by
                // keeping it out of the expression list
                if (m[1] == ":" && m[2] == "not")
                // optimize if only one selector found (most common case)
                    r = isSimple.test(m[3]) ?
					jQuery.filter(m[3], r, true).r :
					jQuery(r).not(m[3]);

                // We can get a big speed boost by filtering by class here
                else if (m[1] == ".")
                    r = jQuery.classFilter(r, m[2], not);

                else if (m[1] == "[") {
                    var tmp = [], type = m[3];

                    for (var i = 0, rl = r.length; i < rl; i++) {
                        var a = r[i], z = a[jQuery.props[m[2]] || m[2]];

                        if (z == null || /href|src|selected/.test(m[2]))
                            z = jQuery.attr(a, m[2]) || '';

                        if ((type == "" && !!z ||
						 type == "=" && z == m[5] ||
						 type == "!=" && z != m[5] ||
						 type == "^=" && z && !z.indexOf(m[5]) ||
						 type == "$=" && z.substr(z.length - m[5].length) == m[5] ||
						 (type == "*=" || type == "~=") && z.indexOf(m[5]) >= 0) ^ not)
                            tmp.push(a);
                    }

                    r = tmp;

                    // We can get a speed boost by handling nth-child here
                } else if (m[1] == ":" && m[2] == "nth-child") {
                    var merge = {}, tmp = [],
                    // parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'
					test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
						m[3] == "even" && "2n" || m[3] == "odd" && "2n+1" ||
						!/\D/.test(m[3]) && "0n+" + m[3] || m[3]),
                    // calculate the numbers (first)n+(last) including if they are negative
					first = (test[1] + (test[2] || 1)) - 0, last = test[3] - 0;

                    // loop through all the elements left in the jQuery object
                    for (var i = 0, rl = r.length; i < rl; i++) {
                        var node = r[i], parentNode = node.parentNode, id = jQuery.data(parentNode);

                        if (!merge[id]) {
                            var c = 1;

                            for (var n = parentNode.firstChild; n; n = n.nextSibling)
                                if (n.nodeType == 1)
                                n.nodeIndex = c++;

                            merge[id] = true;
                        }

                        var add = false;

                        if (first == 0) {
                            if (node.nodeIndex == last)
                                add = true;
                        } else if ((node.nodeIndex - last) % first == 0 && (node.nodeIndex - last) / first >= 0)
                            add = true;

                        if (add ^ not)
                            tmp.push(node);
                    }

                    r = tmp;

                    // Otherwise, find the expression to execute
                } else {
                    var f = jQuery.expr[m[1]];
                    if (typeof f != "string")
                        f = jQuery.expr[m[1]][m[2]];

                    // Build a custom macro to enclose it
                    f = eval("false||function(a,i){return " + f + "}");

                    // Execute it against the current filter
                    r = jQuery.grep(r, f, not);
                }
            }

            // Return an array of filtered elements (r)
            // and the modified expression string (t)
            return { r: r, t: t };
        },

        dir: function(elem, dir) {
            var matched = [];
            var cur = elem[dir];
            while (cur && cur != document) {
                if (cur.nodeType == 1)
                    matched.push(cur);
                cur = cur[dir];
            }
            return matched;
        },

        nth: function(cur, result, dir, elem) {
            result = result || 1;
            var num = 0;

            for (; cur; cur = cur[dir])
                if (cur.nodeType == 1 && ++num == result)
                break;

            return cur;
        },

        sibling: function(n, elem) {
            var r = [];

            for (; n; n = n.nextSibling) {
                if (n.nodeType == 1 && (!elem || n != elem))
                    r.push(n);
            }

            return r;
        }
    });

    /*
    * A number of helper functions used for managing events.
    * Many of the ideas behind this code orignated from 
    * Dean Edwards' addEvent library.
    */
    jQuery.event = {

        // Bind an event to an element
        // Original by Dean Edwards
        add: function(elem, types, handler, data) {
            if (elem.nodeType == 3 || elem.nodeType == 8)
                return;

            // For whatever reason, IE has trouble passing the window object
            // around, causing it to be cloned in the process
            if (jQuery.browser.msie && elem.setInterval != undefined)
                elem = window;

            // Make sure that the function being executed has a unique ID
            if (!handler.guid)
                handler.guid = this.guid++;

            // if data is passed, bind to handler 
            if (data != undefined) {
                // Create temporary function pointer to original handler 
                var fn = handler;

                // Create unique handler function, wrapped around original handler 
                handler = function() {
                    // Pass arguments and context to original handler 
                    return fn.apply(this, arguments);
                };

                // Store data in unique handler 
                handler.data = data;

                // Set the guid of unique handler to the same of original handler, so it can be removed 
                handler.guid = fn.guid;
            }

            // Init the element's event structure
            var events = jQuery.data(elem, "events") || jQuery.data(elem, "events", {}),
			handle = jQuery.data(elem, "handle") || jQuery.data(elem, "handle", function() {
			    // returned undefined or false
			    var val;

			    // Handle the second event of a trigger and when
			    // an event is called after a page has unloaded
			    if (typeof jQuery == "undefined" || jQuery.event.triggered)
			        return val;

			    val = jQuery.event.handle.apply(arguments.callee.elem, arguments);

			    return val;
			});
            // Add elem as a property of the handle function
            // This is to prevent a memory leak with non-native
            // event in IE.
            handle.elem = elem;

            // Handle multiple events seperated by a space
            // jQuery(...).bind("mouseover mouseout", fn);
            jQuery.each(types.split(/\s+/), function(index, type) {
                // Namespaced event handlers
                var parts = type.split(".");
                type = parts[0];
                handler.type = parts[1];

                // Get the current list of functions bound to this event
                var handlers = events[type];

                // Init the event handler queue
                if (!handlers) {
                    handlers = events[type] = {};

                    // Check for a special event handler
                    // Only use addEventListener/attachEvent if the special
                    // events handler returns false
                    if (!jQuery.event.special[type] || jQuery.event.special[type].setup.call(elem) === false) {
                        // Bind the global event handler to the element
                        if (elem.addEventListener)
                            elem.addEventListener(type, handle, false);
                        else if (elem.attachEvent)
                            elem.attachEvent("on" + type, handle);
                    }
                }

                // Add the function to the element's handler list
                handlers[handler.guid] = handler;

                // Keep track of which events have been used, for global triggering
                jQuery.event.global[type] = true;
            });

            // Nullify elem to prevent memory leaks in IE
            elem = null;
        },

        guid: 1,
        global: {},

        // Detach an event or set of events from an element
        remove: function(elem, types, handler) {
            // don't do events on text and comment nodes
            if (elem.nodeType == 3 || elem.nodeType == 8)
                return;

            var events = jQuery.data(elem, "events"), ret, index;

            if (events) {
                // Unbind all events for the element
                if (types == undefined)
                    for (var type in events)
                    this.remove(elem, type);
                else {
                    // types is actually an event object here
                    if (types.type) {
                        handler = types.handler;
                        types = types.type;
                    }

                    // Handle multiple events seperated by a space
                    // jQuery(...).unbind("mouseover mouseout", fn);
                    jQuery.each(types.split(/\s+/), function(index, type) {
                        // Namespaced event handlers
                        var parts = type.split(".");
                        type = parts[0];

                        if (events[type]) {
                            // remove the given handler for the given type
                            if (handler)
                                delete events[type][handler.guid];

                            // remove all handlers for the given type
                            else
                                for (handler in events[type])
                            // Handle the removal of namespaced events
                                if (!parts[1] || events[type][handler].type == parts[1])
                                delete events[type][handler];

                            // remove generic event handler if no more handlers exist
                            for (ret in events[type]) break;
                            if (!ret) {
                                if (!jQuery.event.special[type] || jQuery.event.special[type].teardown.call(elem) === false) {
                                    if (elem.removeEventListener)
                                        elem.removeEventListener(type, jQuery.data(elem, "handle"), false);
                                    else if (elem.detachEvent)
                                        elem.detachEvent("on" + type, jQuery.data(elem, "handle"));
                                }
                                ret = null;
                                delete events[type];
                            }
                        }
                    });
                }

                // Remove the expando if it's no longer used
                for (ret in events) break;
                if (!ret) {
                    var handle = jQuery.data(elem, "handle");
                    if (handle) handle.elem = null;
                    jQuery.removeData(elem, "events");
                    jQuery.removeData(elem, "handle");
                }
            }
        },

        trigger: function(type, data, elem, donative, extra) {
            // Clone the incoming data, if any
            data = jQuery.makeArray(data || []);

            // Handle a global trigger
            if (!elem) {
                // Only trigger if we've ever bound an event for it
                if (this.global[type])
                    jQuery("*").add([window, document]).trigger(type, data);

                // Handle triggering a single element
            } else {
                // don't do events on text and comment nodes
                if (elem.nodeType == 3 || elem.nodeType == 8)
                    return undefined;

                var val, ret, fn = jQuery.isFunction(elem[type] || null),
                // Check to see if we need to provide a fake event, or not
				event = !data[0] || !data[0].preventDefault;

                // Pass along a fake event
                if (event)
                    data.unshift(this.fix({ type: type, target: elem }));

                // Enforce the right trigger type
                data[0].type = type;

                // Trigger the event
                if (jQuery.isFunction(jQuery.data(elem, "handle")))
                    val = jQuery.data(elem, "handle").apply(elem, data);

                // Handle triggering native .onfoo handlers
                if (!fn && elem["on" + type] && elem["on" + type].apply(elem, data) === false)
                    val = false;

                // Extra functions don't get the custom event object
                if (event)
                    data.shift();

                // Handle triggering of extra function
                if (extra && jQuery.isFunction(extra)) {
                    // call the extra function and tack the current return value on the end for possible inspection
                    ret = extra.apply(elem, val == null ? data : data.concat(val));
                    // if anything is returned, give it precedence and have it overwrite the previous value
                    if (ret !== undefined)
                        val = ret;
                }

                // Trigger the native events (except for clicks on links)
                if (fn && donative !== false && val !== false && !(jQuery.nodeName(elem, 'a') && type == "click")) {
                    this.triggered = true;
                    try {
                        elem[type]();
                        // prevent IE from throwing an error for some hidden elements
                    } catch (e) { }
                }

                this.triggered = false;
            }

            return val;
        },

        handle: function(event) {
            // returned undefined or false
            var val;

            // Empty object is for triggered events with no data
            event = jQuery.event.fix(event || window.event || {});

            // Namespaced event handlers
            var parts = event.type.split(".");
            event.type = parts[0];

            var handlers = jQuery.data(this, "events") && jQuery.data(this, "events")[event.type], args = Array.prototype.slice.call(arguments, 1);
            args.unshift(event);

            for (var j in handlers) {
                var handler = handlers[j];
                // Pass in a reference to the handler function itself
                // So that we can later remove it
                args[0].handler = handler;
                args[0].data = handler.data;

                // Filter the functions by class
                if (!parts[1] || handler.type == parts[1]) {
                    var ret = handler.apply(this, args);

                    if (val !== false)
                        val = ret;

                    if (ret === false) {
                        event.preventDefault();
                        event.stopPropagation();
                    }
                }
            }

            // Clean up added properties in IE to prevent memory leak
            if (jQuery.browser.msie)
                event.target = event.preventDefault = event.stopPropagation =
				event.handler = event.data = null;

            return val;
        },

        fix: function(event) {
            // store a copy of the original event object 
            // and clone to set read-only properties
            var originalEvent = event;
            event = jQuery.extend({}, originalEvent);

            // add preventDefault and stopPropagation since 
            // they will not work on the clone
            event.preventDefault = function() {
                // if preventDefault exists run it on the original event
                if (originalEvent.preventDefault)
                    originalEvent.preventDefault();
                // otherwise set the returnValue property of the original event to false (IE)
                originalEvent.returnValue = false;
            };
            event.stopPropagation = function() {
                // if stopPropagation exists run it on the original event
                if (originalEvent.stopPropagation)
                    originalEvent.stopPropagation();
                // otherwise set the cancelBubble property of the original event to true (IE)
                originalEvent.cancelBubble = true;
            };

            // Fix target property, if necessary
            if (!event.target)
                event.target = event.srcElement || document; // Fixes #1925 where srcElement might not be defined either

            // check if target is a textnode (safari)
            if (event.target.nodeType == 3)
                event.target = originalEvent.target.parentNode;

            // Add relatedTarget, if necessary
            if (!event.relatedTarget && event.fromElement)
                event.relatedTarget = event.fromElement == event.target ? event.toElement : event.fromElement;

            // Calculate pageX/Y if missing and clientX/Y available
            if (event.pageX == null && event.clientX != null) {
                var doc = document.documentElement, body = document.body;
                event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc.clientLeft || 0);
                event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc.clientTop || 0);
            }

            // Add which for key events
            if (!event.which && ((event.charCode || event.charCode === 0) ? event.charCode : event.keyCode))
                event.which = event.charCode || event.keyCode;

            // Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs)
            if (!event.metaKey && event.ctrlKey)
                event.metaKey = event.ctrlKey;

            // Add which for click: 1 == left; 2 == middle; 3 == right
            // Note: button is not normalized, so don't use it
            if (!event.which && event.button)
                event.which = (event.button & 1 ? 1 : (event.button & 2 ? 3 : (event.button & 4 ? 2 : 0)));

            return event;
        },

        special: {
            ready: {
                setup: function() {
                    // Make sure the ready event is setup
                    bindReady();
                    return;
                },

                teardown: function() { return; }
            },

            mouseenter: {
                setup: function() {
                    if (jQuery.browser.msie) return false;
                    jQuery(this).bind("mouseover", jQuery.event.special.mouseenter.handler);
                    return true;
                },

                teardown: function() {
                    if (jQuery.browser.msie) return false;
                    jQuery(this).unbind("mouseover", jQuery.event.special.mouseenter.handler);
                    return true;
                },

                handler: function(event) {
                    // If we actually just moused on to a sub-element, ignore it
                    if (withinElement(event, this)) return true;
                    // Execute the right handlers by setting the event type to mouseenter
                    arguments[0].type = "mouseenter";
                    return jQuery.event.handle.apply(this, arguments);
                }
            },

            mouseleave: {
                setup: function() {
                    if (jQuery.browser.msie) return false;
                    jQuery(this).bind("mouseout", jQuery.event.special.mouseleave.handler);
                    return true;
                },

                teardown: function() {
                    if (jQuery.browser.msie) return false;
                    jQuery(this).unbind("mouseout", jQuery.event.special.mouseleave.handler);
                    return true;
                },

                handler: function(event) {
                    // If we actually just moused on to a sub-element, ignore it
                    if (withinElement(event, this)) return true;
                    // Execute the right handlers by setting the event type to mouseleave
                    arguments[0].type = "mouseleave";
                    return jQuery.event.handle.apply(this, arguments);
                }
            }
        }
    };

    jQuery.fn.extend({
        bind: function(type, data, fn) {
            return type == "unload" ? this.one(type, data, fn) : this.each(function() {
                jQuery.event.add(this, type, fn || data, fn && data);
            });
        },

        one: function(type, data, fn) {
            return this.each(function() {
                jQuery.event.add(this, type, function(event) {
                    jQuery(this).unbind(event);
                    return (fn || data).apply(this, arguments);
                }, fn && data);
            });
        },

        unbind: function(type, fn) {
            return this.each(function() {
                jQuery.event.remove(this, type, fn);
            });
        },

        trigger: function(type, data, fn) {
            return this.each(function() {
                jQuery.event.trigger(type, data, this, true, fn);
            });
        },

        triggerHandler: function(type, data, fn) {
            if (this[0])
                return jQuery.event.trigger(type, data, this[0], false, fn);
            return undefined;
        },

        toggle: function() {
            // Save reference to arguments for access in closure
            var args = arguments;

            return this.click(function(event) {
                // Figure out which function to execute
                this.lastToggle = 0 == this.lastToggle ? 1 : 0;

                // Make sure that clicks stop
                event.preventDefault();

                // and execute the function
                return args[this.lastToggle].apply(this, arguments) || false;
            });
        },

        hover: function(fnOver, fnOut) {
            return this.bind('mouseenter', fnOver).bind('mouseleave', fnOut);
        },

        ready: function(fn) {
            // Attach the listeners
            bindReady();

            // If the DOM is already ready
            if (jQuery.isReady)
            // Execute the function immediately
                fn.call(document, jQuery);

            // Otherwise, remember the function for later
            else
            // Add the function to the wait list
                jQuery.readyList.push(function() { return fn.call(this, jQuery); });

            return this;
        }
    });

    jQuery.extend({
        isReady: false,
        readyList: [],
        // Handle when the DOM is ready
        ready: function() {
            // Make sure that the DOM is not already loaded
            if (!jQuery.isReady) {
                // Remember that the DOM is ready
                jQuery.isReady = true;

                // If there are functions bound, to execute
                if (jQuery.readyList) {
                    // Execute all of them
                    jQuery.each(jQuery.readyList, function() {
                        this.apply(document);
                    });

                    // Reset the list of functions
                    jQuery.readyList = null;
                }

                // Trigger any bound ready events
                jQuery(document).triggerHandler("ready");
            }
        }
    });

    var readyBound = false;

    function bindReady() {
        if (readyBound) return;
        readyBound = true;

        // Mozilla, Opera (see further below for it) and webkit nightlies currently support this event
        if (document.addEventListener && !jQuery.browser.opera)
        // Use the handy event callback
            document.addEventListener("DOMContentLoaded", jQuery.ready, false);

        // If IE is used and is not in a frame
        // Continually check to see if the document is ready
        if (jQuery.browser.msie && window == top) (function() {
            if (jQuery.isReady) return;
            try {
                // If IE is used, use the trick by Diego Perini
                // http://javascript.nwbox.com/IEContentLoaded/
                document.documentElement.doScroll("left");
            } catch (error) {
                setTimeout(arguments.callee, 0);
                return;
            }
            // and execute any waiting functions
            jQuery.ready();
        })();

        if (jQuery.browser.opera)
            document.addEventListener("DOMContentLoaded", function() {
                if (jQuery.isReady) return;
                for (var i = 0; i < document.styleSheets.length; i++)
                    if (document.styleSheets[i].disabled) {
                    setTimeout(arguments.callee, 0);
                    return;
                }
                // and execute any waiting functions
                jQuery.ready();
            }, false);

        if (jQuery.browser.safari) {
            var numStyles;
            (function() {
                if (jQuery.isReady) return;
                if (document.readyState != "loaded" && document.readyState != "complete") {
                    setTimeout(arguments.callee, 0);
                    return;
                }
                if (numStyles === undefined)
                    numStyles = jQuery("style, link[rel=stylesheet]").length;
                if (document.styleSheets.length != numStyles) {
                    setTimeout(arguments.callee, 0);
                    return;
                }
                // and execute any waiting functions
                jQuery.ready();
            })();
        }

        // A fallback to window.onload, that will always work
        jQuery.event.add(window, "load", jQuery.ready);
    }

    jQuery.each(("blur,focus,load,resize,scroll,unload,click,dblclick," +
	"mousedown,mouseup,mousemove,mouseover,mouseout,change,select," +
	"submit,keydown,keypress,keyup,error").split(","), function(i, name) {

	    // Handle event binding
	    jQuery.fn[name] = function(fn) {
	        return fn ? this.bind(name, fn) : this.trigger(name);
	    };
	});

    // Checks if an event happened on an element within another element
    // Used in jQuery.event.special.mouseenter and mouseleave handlers
    var withinElement = function(event, elem) {
        // Check if mouse(over|out) are still within the same parent element
        var parent = event.relatedTarget;
        // Traverse up the tree
        while (parent && parent != elem) try { parent = parent.parentNode; } catch (error) { parent = elem; }
        // Return true if we actually just moused on to a sub-element
        return parent == elem;
    };

    // Prevent memory leaks in IE
    // And prevent errors on refresh with events like mouseover in other browsers
    // Window isn't included so as not to unbind existing unload events
    jQuery(window).bind("unload", function() {
        jQuery("*").add(document).unbind();
    });
    jQuery.fn.extend({
        load: function(url, params, callback) {
            if (jQuery.isFunction(url))
                return this.bind("load", url);

            var off = url.indexOf(" ");
            if (off >= 0) {
                var selector = url.slice(off, url.length);
                url = url.slice(0, off);
            }

            callback = callback || function() { };

            // Default to a GET request
            var type = "GET";

            // If the second parameter was provided
            if (params)
            // If it's a function
                if (jQuery.isFunction(params)) {
                // We assume that it's the callback
                callback = params;
                params = null;

                // Otherwise, build a param string
            } else {
                params = jQuery.param(params);
                type = "POST";
            }

            var self = this;

            // Request the remote document
            jQuery.ajax({
                url: url,
                type: type,
                dataType: "html",
                data: params,
                complete: function(res, status) {
                    // If successful, inject the HTML into all the matched elements
                    if (status == "success" || status == "notmodified")
                    // See if a selector was specified
                        self.html(selector ?
                    // Create a dummy div to hold the results
						jQuery("<div/>")
                    // inject the contents of the document in, removing the scripts
                    // to avoid any 'Permission Denied' errors in IE
							.append(res.responseText.replace(/<script(.|\s)*?\/script>/g, ""))

                    // Locate the specified elements
							.find(selector) :

                    // If not, just inject the full result
						res.responseText);

                    self.each(callback, [res.responseText, status, res]);
                }
            });
            return this;
        },

        serialize: function() {
            return jQuery.param(this.serializeArray());
        },
        serializeArray: function() {
            return this.map(function() {
                return jQuery.nodeName(this, "form") ?
				jQuery.makeArray(this.elements) : this;
            })
		.filter(function() {
		    return this.name && !this.disabled &&
				(this.checked || /select|textarea/i.test(this.nodeName) ||
					/text|hidden|password/i.test(this.type));
		})
		.map(function(i, elem) {
		    var val = jQuery(this).val();
		    return val == null ? null :
				val.constructor == Array ?
					jQuery.map(val, function(val, i) {
					    return { name: elem.name, value: val };
					}) :
					{ name: elem.name, value: val };
		}).get();
        }
    });

    // Attach a bunch of functions for handling common AJAX events
    jQuery.each("ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".split(","), function(i, o) {
        jQuery.fn[o] = function(f) {
            return this.bind(o, f);
        };
    });

    var jsc = (new Date).getTime();

    jQuery.extend({
        get: function(url, data, callback, type) {
            // shift arguments if data argument was ommited
            if (jQuery.isFunction(data)) {
                callback = data;
                data = null;
            }

            return jQuery.ajax({
                type: "GET",
                url: url,
                data: data,
                success: callback,
                dataType: type
            });
        },

        getScript: function(url, callback) {
            return jQuery.get(url, null, callback, "script");
        },

        getJSON: function(url, data, callback) {
            return jQuery.get(url, data, callback, "json");
        },

        post: function(url, data, callback, type) {
            if (jQuery.isFunction(data)) {
                callback = data;
                data = {};
            }

            return jQuery.ajax({
                type: "POST",
                url: url,
                data: data,
                success: callback,
                dataType: type
            });
        },

        ajaxSetup: function(settings) {
            jQuery.extend(jQuery.ajaxSettings, settings);
        },

        ajaxSettings: {
            global: true,
            type: "GET",
            timeout: 0,
            contentType: "application/x-www-form-urlencoded",
            processData: true,
            async: true,
            data: null,
            username: null,
            password: null,
            accepts: {
                xml: "application/xml, text/xml",
                html: "text/html",
                script: "text/javascript, application/javascript",
                json: "application/json, text/javascript",
                text: "text/plain",
                _default: "*/*"
            }
        },

        // Last-Modified header cache for next request
        lastModified: {},

        ajax: function(s) {
            var jsonp, jsre = /=\?(&|$)/g, status, data;

            // Extend the settings, but re-extend 's' so that it can be
            // checked again later (in the test suite, specifically)
            s = jQuery.extend(true, s, jQuery.extend(true, {}, jQuery.ajaxSettings, s));

            // convert data if not already a string
            if (s.data && s.processData && typeof s.data != "string")
                s.data = jQuery.param(s.data);

            // Handle JSONP Parameter Callbacks
            if (s.dataType == "jsonp") {
                if (s.type.toLowerCase() == "get") {
                    if (!s.url.match(jsre))
                        s.url += (s.url.match(/\?/) ? "&" : "?") + (s.jsonp || "callback") + "=?";
                } else if (!s.data || !s.data.match(jsre))
                    s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?";
                s.dataType = "json";
            }

            // Build temporary JSONP function
            if (s.dataType == "json" && (s.data && s.data.match(jsre) || s.url.match(jsre))) {
                jsonp = "jsonp" + jsc++;

                // Replace the =? sequence both in the query string and the data
                if (s.data)
                    s.data = (s.data + "").replace(jsre, "=" + jsonp + "$1");
                s.url = s.url.replace(jsre, "=" + jsonp + "$1");

                // We need to make sure
                // that a JSONP style response is executed properly
                s.dataType = "script";

                // Handle JSONP-style loading
                window[jsonp] = function(tmp) {
                    data = tmp;
                    success();
                    complete();
                    // Garbage collect
                    window[jsonp] = undefined;
                    try { delete window[jsonp]; } catch (e) { }
                    if (head)
                        head.removeChild(script);
                };
            }

            if (s.dataType == "script" && s.cache == null)
                s.cache = false;

            if (s.cache === false && s.type.toLowerCase() == "get") {
                var ts = (new Date()).getTime();
                // try replacing _= if it is there
                var ret = s.url.replace(/(\?|&)_=.*?(&|$)/, "$1_=" + ts + "$2");
                // if nothing was replaced, add timestamp to the end
                s.url = ret + ((ret == s.url) ? (s.url.match(/\?/) ? "&" : "?") + "_=" + ts : "");
            }

            // If data is available, append data to url for get requests
            if (s.data && s.type.toLowerCase() == "get") {
                s.url += (s.url.match(/\?/) ? "&" : "?") + s.data;

                // IE likes to send both get and post data, prevent this
                s.data = null;
            }

            // Watch for a new set of requests
            if (s.global && !jQuery.active++)
                jQuery.event.trigger("ajaxStart");

            // If we're requesting a remote document
            // and trying to load JSON or Script with a GET
            if ((!s.url.indexOf("http") || !s.url.indexOf("//")) && (s.dataType == "script" || s.dataType == "json") && s.type.toLowerCase() == "get") {
                var head = document.getElementsByTagName("head")[0];
                var script = document.createElement("script");
                script.src = s.url;
                if (s.scriptCharset)
                    script.charset = s.scriptCharset;

                // Handle Script loading
                if (!jsonp) {
                    var done = false;

                    // Attach handlers for all browsers
                    script.onload = script.onreadystatechange = function() {
                        if (!done && (!this.readyState ||
							this.readyState == "loaded" || this.readyState == "complete")) {
                            done = true;
                            success();
                            complete();
                            head.removeChild(script);
                        }
                    };
                }

                head.appendChild(script);

                // We handle everything using the script element injection
                return undefined;
            }

            var requestDone = false;

            // Create the request object; Microsoft failed to properly
            // implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
            var xml = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();

            // Open the socket
            xml.open(s.type, s.url, s.async, s.username, s.password);

            // Need an extra try/catch for cross domain requests in Firefox 3
            try {
                // Set the correct header, if data is being sent
                if (s.data)
                    xml.setRequestHeader("Content-Type", s.contentType);

                // Set the If-Modified-Since header, if ifModified mode.
                if (s.ifModified)
                    xml.setRequestHeader("If-Modified-Since",
					jQuery.lastModified[s.url] || "Thu, 01 Jan 1970 00:00:00 GMT");

                // Set header so the called script knows that it's an XMLHttpRequest
                xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");

                // Set the Accepts header for the server, depending on the dataType
                xml.setRequestHeader("Accept", s.dataType && s.accepts[s.dataType] ?
				s.accepts[s.dataType] + ", */*" :
				s.accepts._default);
            } catch (e) { }

            // Allow custom headers/mimetypes
            if (s.beforeSend)
                s.beforeSend(xml);

            if (s.global)
                jQuery.event.trigger("ajaxSend", [xml, s]);

            // Wait for a response to come back
            var onreadystatechange = function(isTimeout) {
                // The transfer is complete and the data is available, or the request timed out
                if (!requestDone && xml && (xml.readyState == 4 || isTimeout == "timeout")) {
                    requestDone = true;

                    // clear poll interval
                    if (ival) {
                        clearInterval(ival);
                        ival = null;
                    }

                    status = isTimeout == "timeout" && "timeout" ||
					!jQuery.httpSuccess(xml) && "error" ||
					s.ifModified && jQuery.httpNotModified(xml, s.url) && "notmodified" ||
					"success";

                    if (status == "success") {
                        // Watch for, and catch, XML document parse errors
                        try {
                            // process the data (runs the xml through httpData regardless of callback)
                            data = jQuery.httpData(xml, s.dataType);
                        } catch (e) {
                            status = "parsererror";
                        }
                    }

                    // Make sure that the request was successful or notmodified
                    if (status == "success") {
                        // Cache Last-Modified header, if ifModified mode.
                        var modRes;
                        try {
                            modRes = xml.getResponseHeader("Last-Modified");
                        } catch (e) { } // swallow exception thrown by FF if header is not available

                        if (s.ifModified && modRes)
                            jQuery.lastModified[s.url] = modRes;

                        // JSONP handles its own success callback
                        if (!jsonp)
                            success();
                    } else
                        jQuery.handleError(s, xml, status);

                    // Fire the complete handlers
                    complete();

                    // Stop memory leaks
                    if (s.async)
                        xml = null;
                }
            };

            if (s.async) {
                // don't attach the handler to the request, just poll it instead
                var ival = setInterval(onreadystatechange, 13);

                // Timeout checker
                if (s.timeout > 0)
                    setTimeout(function() {
                        // Check to see if the request is still happening
                        if (xml) {
                            // Cancel the request
                            xml.abort();

                            if (!requestDone)
                                onreadystatechange("timeout");
                        }
                    }, s.timeout);
            }

            // Send the data
            try {
                xml.send(s.data);
            } catch (e) {
                jQuery.handleError(s, xml, null, e);
            }

            // firefox 1.5 doesn't fire statechange for sync requests
            if (!s.async)
                onreadystatechange();

            function success() {
                // If a local callback was specified, fire it and pass it the data
                if (s.success)
                    s.success(data, status);

                // Fire the global callback
                if (s.global)
                    jQuery.event.trigger("ajaxSuccess", [xml, s]);
            }

            function complete() {
                // Process result
                if (s.complete)
                    s.complete(xml, status);

                // The request was completed
                if (s.global)
                    jQuery.event.trigger("ajaxComplete", [xml, s]);

                // Handle the global AJAX counter
                if (s.global && ! --jQuery.active)
                    jQuery.event.trigger("ajaxStop");
            }

            // return XMLHttpRequest to allow aborting the request etc.
            return xml;
        },

        handleError: function(s, xml, status, e) {
            // If a local callback was specified, fire it
            if (s.error) s.error(xml, status, e);

            // Fire the global callback
            if (s.global)
                jQuery.event.trigger("ajaxError", [xml, s, e]);
        },

        // Counter for holding the number of active queries
        active: 0,

        // Determines if an XMLHttpRequest was successful or not
        httpSuccess: function(r) {
            try {
                // IE error sometimes returns 1223 when it should be 204 so treat it as success, see #1450
                return !r.status && location.protocol == "file:" ||
				(r.status >= 200 && r.status < 300) || r.status == 304 || r.status == 1223 ||
				jQuery.browser.safari && r.status == undefined;
            } catch (e) { }
            return false;
        },

        // Determines if an XMLHttpRequest returns NotModified
        httpNotModified: function(xml, url) {
            try {
                var xmlRes = xml.getResponseHeader("Last-Modified");

                // Firefox always returns 200. check Last-Modified date
                return xml.status == 304 || xmlRes == jQuery.lastModified[url] ||
				jQuery.browser.safari && xml.status == undefined;
            } catch (e) { }
            return false;
        },

        httpData: function(r, type) {
            var ct = r.getResponseHeader("content-type");
            var xml = type == "xml" || !type && ct && ct.indexOf("xml") >= 0;
            var data = xml ? r.responseXML : r.responseText;

            if (xml && data.documentElement.tagName == "parsererror")
                throw "parsererror";

            // If the type is "script", eval it in global context
            if (type == "script")
                jQuery.globalEval(data);

            // Get the JavaScript object, if JSON is used.
            if (type == "json")
                data = eval("(" + data + ")");

            return data;
        },

        // Serialize an array of form elements or a set of
        // key/values into a query string
        param: function(a) {
            var s = [];

            // If an array was passed in, assume that it is an array
            // of form elements
            if (a.constructor == Array || a.jquery)
            // Serialize the form elements
                jQuery.each(a, function() {
                    s.push(encodeURIComponent(this.name) + "=" + encodeURIComponent(this.value));
                });

            // Otherwise, assume that it's an object of key/value pairs
            else
            // Serialize the key/values
                for (var j in a)
            // If the value is an array then the key names need to be repeated
                if (a[j] && a[j].constructor == Array)
                jQuery.each(a[j], function() {
                    s.push(encodeURIComponent(j) + "=" + encodeURIComponent(this));
                });
            else
                s.push(encodeURIComponent(j) + "=" + encodeURIComponent(a[j]));

            // Return the resulting serialization
            return s.join("&").replace(/%20/g, "+");
        }

    });
    jQuery.fn.extend({
        show: function(speed, callback) {
            return speed ?
			this.animate({
			    height: "show", width: "show", opacity: "show"
			}, speed, callback) :

			this.filter(":hidden").each(function() {
			    this.style.display = this.oldblock || "";
			    if (jQuery.css(this, "display") == "none") {
			        var elem = jQuery("<" + this.tagName + " />").appendTo("body");
			        this.style.display = elem.css("display");
			        // handle an edge condition where css is - div { display:none; } or similar
			        if (this.style.display == "none")
			            this.style.display = "block";
			        elem.remove();
			    }
			}).end();
        },

        hide: function(speed, callback) {
            return speed ?
			this.animate({
			    height: "hide", width: "hide", opacity: "hide"
			}, speed, callback) :

			this.filter(":visible").each(function() {
			    this.oldblock = this.oldblock || jQuery.css(this, "display");
			    this.style.display = "none";
			}).end();
        },

        // Save the old toggle function
        _toggle: jQuery.fn.toggle,

        toggle: function(fn, fn2) {
            return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ?
			this._toggle(fn, fn2) :
			fn ?
				this.animate({
				    height: "toggle", width: "toggle", opacity: "toggle"
				}, fn, fn2) :
				this.each(function() {
				    jQuery(this)[jQuery(this).is(":hidden") ? "show" : "hide"]();
				});
        },

        slideDown: function(speed, callback) {
            return this.animate({ height: "show" }, speed, callback);
        },

        slideUp: function(speed, callback) {
            return this.animate({ height: "hide" }, speed, callback);
        },

        slideToggle: function(speed, callback) {
            return this.animate({ height: "toggle" }, speed, callback);
        },

        fadeIn: function(speed, callback) {
            return this.animate({ opacity: "show" }, speed, callback);
        },

        fadeOut: function(speed, callback) {
            return this.animate({ opacity: "hide" }, speed, callback);
        },

        fadeTo: function(speed, to, callback) {
            return this.animate({ opacity: to }, speed, callback);
        },

        animate: function(prop, speed, easing, callback) {
            var optall = jQuery.speed(speed, easing, callback);

            return this[optall.queue === false ? "each" : "queue"](function() {
                if (this.nodeType != 1)
                    return false;

                var opt = jQuery.extend({}, optall);
                var hidden = jQuery(this).is(":hidden"), self = this;

                for (var p in prop) {
                    if (prop[p] == "hide" && hidden || prop[p] == "show" && !hidden)
                        return jQuery.isFunction(opt.complete) && opt.complete.apply(this);

                    if (p == "height" || p == "width") {
                        // Store display property
                        opt.display = jQuery.css(this, "display");

                        // Make sure that nothing sneaks out
                        opt.overflow = this.style.overflow;
                    }
                }

                if (opt.overflow != null)
                    this.style.overflow = "hidden";

                opt.curAnim = jQuery.extend({}, prop);

                jQuery.each(prop, function(name, val) {
                    var e = new jQuery.fx(self, opt, name);

                    if (/toggle|show|hide/.test(val))
                        e[val == "toggle" ? hidden ? "show" : "hide" : val](prop);
                    else {
                        var parts = val.toString().match(/^([+-]=)?([\d+-.]+)(.*)$/),
						start = e.cur(true) || 0;

                        if (parts) {
                            var end = parseFloat(parts[2]),
							unit = parts[3] || "px";

                            // We need to compute starting value
                            if (unit != "px") {
                                self.style[name] = (end || 1) + unit;
                                start = ((end || 1) / e.cur(true)) * start;
                                self.style[name] = start + unit;
                            }

                            // If a +=/-= token was provided, we're doing a relative animation
                            if (parts[1])
                                end = ((parts[1] == "-=" ? -1 : 1) * end) + start;

                            e.custom(start, end, unit);
                        } else
                            e.custom(start, val, "");
                    }
                });

                // For JS strict compliance
                return true;
            });
        },

        queue: function(type, fn) {
            if (jQuery.isFunction(type) || (type && type.constructor == Array)) {
                fn = type;
                type = "fx";
            }

            if (!type || (typeof type == "string" && !fn))
                return queue(this[0], type);

            return this.each(function() {
                if (fn.constructor == Array)
                    queue(this, type, fn);
                else {
                    queue(this, type).push(fn);

                    if (queue(this, type).length == 1)
                        fn.apply(this);
                }
            });
        },

        stop: function(clearQueue, gotoEnd) {
            var timers = jQuery.timers;

            if (clearQueue)
                this.queue([]);

            this.each(function() {
                // go in reverse order so anything added to the queue during the loop is ignored
                for (var i = timers.length - 1; i >= 0; i--)
                    if (timers[i].elem == this) {
                    if (gotoEnd)
                    // force the next step to be the last
                        timers[i](true);
                    timers.splice(i, 1);
                }
            });

            // start the next in the queue if the last step wasn't forced
            if (!gotoEnd)
                this.dequeue();

            return this;
        }

    });

    var queue = function(elem, type, array) {
        if (!elem)
            return undefined;

        type = type || "fx";

        var q = jQuery.data(elem, type + "queue");

        if (!q || array)
            q = jQuery.data(elem, type + "queue",
			array ? jQuery.makeArray(array) : []);

        return q;
    };

    jQuery.fn.dequeue = function(type) {
        type = type || "fx";

        return this.each(function() {
            var q = queue(this, type);

            q.shift();

            if (q.length)
                q[0].apply(this);
        });
    };

    jQuery.extend({

        speed: function(speed, easing, fn) {
            var opt = speed && speed.constructor == Object ? speed : {
                complete: fn || !fn && easing ||
				jQuery.isFunction(speed) && speed,
                duration: speed,
                easing: fn && easing || easing && easing.constructor != Function && easing
            };

            opt.duration = (opt.duration && opt.duration.constructor == Number ?
			opt.duration :
			{ slow: 600, fast: 200}[opt.duration]) || 400;

            // Queueing
            opt.old = opt.complete;
            opt.complete = function() {
                if (opt.queue !== false)
                    jQuery(this).dequeue();
                if (jQuery.isFunction(opt.old))
                    opt.old.apply(this);
            };

            return opt;
        },

        easing: {
            linear: function(p, n, firstNum, diff) {
                return firstNum + diff * p;
            },
            swing: function(p, n, firstNum, diff) {
                return ((-Math.cos(p * Math.PI) / 2) + 0.5) * diff + firstNum;
            }
        },

        timers: [],
        timerId: null,

        fx: function(elem, options, prop) {
            this.options = options;
            this.elem = elem;
            this.prop = prop;

            if (!options.orig)
                options.orig = {};
        }

    });

    jQuery.fx.prototype = {

        // Simple function for setting a style value
        update: function() {
            if (this.options.step)
                this.options.step.apply(this.elem, [this.now, this]);

            (jQuery.fx.step[this.prop] || jQuery.fx.step._default)(this);

            // Set display property to block for height/width animations
            if (this.prop == "height" || this.prop == "width")
                this.elem.style.display = "block";
        },

        // Get the current size
        cur: function(force) {
            if (this.elem[this.prop] != null && this.elem.style[this.prop] == null)
                return this.elem[this.prop];

            var r = parseFloat(jQuery.css(this.elem, this.prop, force));
            return r && r > -10000 ? r : parseFloat(jQuery.curCSS(this.elem, this.prop)) || 0;
        },

        // Start an animation from one number to another
        custom: function(from, to, unit) {
            this.startTime = (new Date()).getTime();
            this.start = from;
            this.end = to;
            this.unit = unit || this.unit || "px";
            this.now = this.start;
            this.pos = this.state = 0;
            this.update();

            var self = this;
            function t(gotoEnd) {
                return self.step(gotoEnd);
            }

            t.elem = this.elem;

            jQuery.timers.push(t);

            if (jQuery.timerId == null) {
                jQuery.timerId = setInterval(function() {
                    var timers = jQuery.timers;

                    for (var i = 0; i < timers.length; i++)
                        if (!timers[i]())
                        timers.splice(i--, 1);

                    if (!timers.length) {
                        clearInterval(jQuery.timerId);
                        jQuery.timerId = null;
                    }
                }, 13);
            }
        },

        // Simple 'show' function
        show: function() {
            // Remember where we started, so that we can go back to it later
            this.options.orig[this.prop] = jQuery.attr(this.elem.style, this.prop);
            this.options.show = true;

            // Begin the animation
            this.custom(0, this.cur());

            // Make sure that we start at a small width/height to avoid any
            // flash of content
            if (this.prop == "width" || this.prop == "height")
                this.elem.style[this.prop] = "1px";

            // Start by showing the element
            jQuery(this.elem).show();
        },

        // Simple 'hide' function
        hide: function() {
            // Remember where we started, so that we can go back to it later
            this.options.orig[this.prop] = jQuery.attr(this.elem.style, this.prop);
            this.options.hide = true;

            // Begin the animation
            this.custom(this.cur(), 0);
        },

        // Each step of an animation
        step: function(gotoEnd) {
            var t = (new Date()).getTime();

            if (gotoEnd || t > this.options.duration + this.startTime) {
                this.now = this.end;
                this.pos = this.state = 1;
                this.update();

                this.options.curAnim[this.prop] = true;

                var done = true;
                for (var i in this.options.curAnim)
                    if (this.options.curAnim[i] !== true)
                    done = false;

                if (done) {
                    if (this.options.display != null) {
                        // Reset the overflow
                        this.elem.style.overflow = this.options.overflow;

                        // Reset the display
                        this.elem.style.display = this.options.display;
                        if (jQuery.css(this.elem, "display") == "none")
                            this.elem.style.display = "block";
                    }

                    // Hide the element if the "hide" operation was done
                    if (this.options.hide)
                        this.elem.style.display = "none";

                    // Reset the properties, if the item has been hidden or shown
                    if (this.options.hide || this.options.show)
                        for (var p in this.options.curAnim)
                        jQuery.attr(this.elem.style, p, this.options.orig[p]);
                }

                // If a callback was provided, execute it
                if (done && jQuery.isFunction(this.options.complete))
                // Execute the complete function
                    this.options.complete.apply(this.elem);

                return false;
            } else {
                var n = t - this.startTime;
                this.state = n / this.options.duration;

                // Perform the easing function, defaults to swing
                this.pos = jQuery.easing[this.options.easing || (jQuery.easing.swing ? "swing" : "linear")](this.state, n, 0, 1, this.options.duration);
                this.now = this.start + ((this.end - this.start) * this.pos);

                // Perform the next step of the animation
                this.update();
            }

            return true;
        }

    };

    jQuery.fx.step = {
        scrollLeft: function(fx) {
            fx.elem.scrollLeft = fx.now;
        },

        scrollTop: function(fx) {
            fx.elem.scrollTop = fx.now;
        },

        opacity: function(fx) {
            jQuery.attr(fx.elem.style, "opacity", fx.now);
        },

        _default: function(fx) {
            fx.elem.style[fx.prop] = fx.now + fx.unit;
        }
    };
    // The Offset Method
    // Originally By Brandon Aaron, part of the Dimension Plugin
    // http://jquery.com/plugins/project/dimensions
    jQuery.fn.offset = function() {
        var left = 0, top = 0, elem = this[0], results;

        if (elem) with (jQuery.browser) {
            var parent = elem.parentNode,
		    offsetChild = elem,
		    offsetParent = elem.offsetParent,
		    doc = elem.ownerDocument,
		    safari2 = safari && parseInt(version) < 522,
		    fixed = jQuery.css(elem, "position") == "fixed";

            // Use getBoundingClientRect if available
            if (elem.getBoundingClientRect) {
                var box = elem.getBoundingClientRect();

                // Add the document scroll offsets
                add(box.left + Math.max(doc.documentElement.scrollLeft, doc.body.scrollLeft),
				box.top + Math.max(doc.documentElement.scrollTop, doc.body.scrollTop));

                // IE adds the HTML element's border, by default it is medium which is 2px
                // IE 6 and 7 quirks mode the border width is overwritable by the following css html { border: 0; }
                // IE 7 standards mode, the border is always 2px
                // This border/offset is typically represented by the clientLeft and clientTop properties
                // However, in IE6 and 7 quirks mode the clientLeft and clientTop properties are not updated when overwriting it via CSS
                // Therefore this method will be off by 2px in IE while in quirksmode
                add(-doc.documentElement.clientLeft, -doc.documentElement.clientTop);

                // Otherwise loop through the offsetParents and parentNodes
            } else {

                // Initial element offsets
                add(elem.offsetLeft, elem.offsetTop);

                // Get parent offsets
                while (offsetParent) {
                    // Add offsetParent offsets
                    add(offsetParent.offsetLeft, offsetParent.offsetTop);

                    // Mozilla and Safari > 2 does not include the border on offset parents
                    // However Mozilla adds the border for table or table cells
                    if (mozilla && !/^t(able|d|h)$/i.test(offsetParent.tagName) || safari && !safari2)
                        border(offsetParent);

                    // Add the document scroll offsets if position is fixed on any offsetParent
                    if (!fixed && jQuery.css(offsetParent, "position") == "fixed")
                        fixed = true;

                    // Set offsetChild to previous offsetParent unless it is the body element
                    offsetChild = /^body$/i.test(offsetParent.tagName) ? offsetChild : offsetParent;
                    // Get next offsetParent
                    offsetParent = offsetParent.offsetParent;
                }

                // Get parent scroll offsets
                while (parent && parent.tagName && !/^body|html$/i.test(parent.tagName)) {
                    // Remove parent scroll UNLESS that parent is inline or a table to work around Opera inline/table scrollLeft/Top bug
                    if (!/^inline|table.*$/i.test(jQuery.css(parent, "display")))
                    // Subtract parent scroll offsets
                        add(-parent.scrollLeft, -parent.scrollTop);

                    // Mozilla does not add the border for a parent that has overflow != visible
                    if (mozilla && jQuery.css(parent, "overflow") != "visible")
                        border(parent);

                    // Get next parent
                    parent = parent.parentNode;
                }

                // Safari <= 2 doubles body offsets with a fixed position element/offsetParent or absolutely positioned offsetChild
                // Mozilla doubles body offsets with a non-absolutely positioned offsetChild
                if ((safari2 && (fixed || jQuery.css(offsetChild, "position") == "absolute")) ||
				(mozilla && jQuery.css(offsetChild, "position") != "absolute"))
                    add(-doc.body.offsetLeft, -doc.body.offsetTop);

                // Add the document scroll offsets if position is fixed
                if (fixed)
                    add(Math.max(doc.documentElement.scrollLeft, doc.body.scrollLeft),
					Math.max(doc.documentElement.scrollTop, doc.body.scrollTop));
            }

            // Return an object with top and left properties
            results = { top: top, left: left };
        }

        function border(elem) {
            add(jQuery.curCSS(elem, "borderLeftWidth", true), jQuery.curCSS(elem, "borderTopWidth", true));
        }

        function add(l, t) {
            left += parseInt(l) || 0;
            top += parseInt(t) || 0;
        }

        return results;
    };
})();

